Ring book and method of assembly



G. W. NEWMAN RING BOOK AND um'rnon on ASSEMBLY July 3, 1928. 1,675,509

Original Filed May 51, 1924 Geor e W21;

Patented July 3, 1928.

UNITED STATES PATENT OFFICE.

GEORGE WASHINGTON NEWMAN, OF CHICAGO, ILLINOIS, ASSIGNOR TO WILSON-JONES LOOSE LEAF COMPANY, A CORPORATION OF MASSACHUSETTS.

RING BOOK AND METHOD OF ASSEMBLY.

Application filed May 31, 1924, Serial No. 716,889. Renewed June 10, 1925.

This invention relates to a ring book and method of assembly.

It is an object of this invention to provide a novel method of securing the leafholding mechanism in the hack of a binder that is cheap, economical, and quick in its application, and one that has no tendency to tear the cover or become easily torn therefrom.

The invention comprises the novel method and structure hereinafter described and more particularly pointed out and defined in the appended claims.

In the accompanying drawings which illustrate a preferred embodiment of this invention and in which similar reference numerals refer to similar features in the different views:

Figure 1 is an interior plan view of a ring book involving this invention;

Figure 2 is an enlarged fragmentary plan view of the leaf holding mechanism with part broken away Figure 3 is a transverse sectional view upon the line 83 of Figure 2.

Figure 4 is a fragmentary elevational view of the presser foot, needle andpunch of a sewing machine for carrying out my method, illustrating a portion of a ring book in connection therewith.

Figure 5 is an enlarged fragmentary section of a sewed portion with parts of the sewing machine in elevation.

In the drawings there is illustrateda rinbook comprising a cover 1 which is scarfe interiorly of the back thereof. In this scarfed portion there is secured a bowed resilient metal plate 2 having upturned marginal lateral lips for retaining the hookcarrying toggle plates 3, A cover plate 4 is applied over the top of the plate 2 as is usual in the art.-

The method involved consists in scarfing the cover, superposing the back plate upon such scarfed portion, simultaneously punching holes or apertured indentations therein and forcing the punched metal into the cover and sewing the plate through said holes to the cover.

One way of carrying out this method is illustrated in the drawings and consists in the use of a sewing machine having a presser foot 5 and a reciprocating needle 6 secured punched metal in the form of tangs 9 into the cover of the ring book. It will readily be appreciated that the embedded tangs 9 serve to anchor the back plate to the cover during the sewing operation and also serve in connection with the stitching to permanently combine the back plate with the cover to produce a firm structure. Moreover the method of accomplishing this is simple and quickly performed.

I am aware that many changes may be made, and numerous details of construction may bevaried through awide range with out departing from the principles of this invention, and I therefore do not purpose limiting the patent granted hereon, otherwise than necessitated by the prior art.

I claim as my invention:

1. a In a ring book structure, a cover having a scarfed portion extending interiorly of the center line, a. metal plate having a series of apertures struck therein with the struck out metal embedded in said cover and stitches extending through said apertures for secur .ing said plate to said cover.

2. Those steps in the manufacture of a ring book which consists in sc-arfing the cover along the longitudinal central portion thereof and upon the inner side thereof, superposing a metal plate upon said scar-fed portion, simultaneously punching holes in said plate and embedding the punched out portions 1n said cover, and stitching said plate to said cover through said holes.

3. Those steps in the manufacture of a ring book which consists in superposing a metal plate centrally of the interior of the 9 cover, simultaneously punching a series of apertures therein and embedding the punched out metal in said cover and stitching the plate to said cover through said apertures.

In testimony whereof I have hereunto subscribed my name GEORGE WASHINGTON NEWMAN. 

